Five Star Gift Ideas

That's great! Here are some ideas for your girlfriend's birthday gift based on her interest in keeping fish:

1. Aquarium Kit: You can buy her an aquarium kit which includes everything she will need to get started with a new fish tank. You can choose the size of the aquarium based on your budget and her available space.

2. Decorations for Fish Tank: There are ample options when it comes to decorating a fish tank. Look for decorations such as colorful plants, rock formations, and ornaments that would enhance the beauty of the tank and would be the centre of attraction.

3. Fish Food: As she already has fish, a gift of high-quality fish food can be a very practical and useful gift. You can purchase a variety of food specifically formulated for different types of fish.

4. Personalized Fish Mat: You can get her a personalized fish mat featuring her favorite kind of fish which she can use for her aquarium.

5. Books: There are many books available on fish keeping and you can choose one based on her interests.

I hope these ideas are helpful and inspire you to find the perfect gift for your girlfriend!

Or you can get her a star map with the date when she was born.